/**
 * Copyright (c) 2007-2008 Nearchos Paspallis
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
/**
 * AspectSense
 *
 * Middleware for annotation-based, context-aware and adaptive services for
 * mobile and ubiquitous computing
 *
 * This project is an open-source effort, initiated by Nearchos Paspallis as
 * part of his PhD work at the University of Cyprus (http://www.ucy.ac.cy).
 *
 * More information about the project is available at "http://aspectsense.org".
 */

package org.aspectsense.example_apps.helloworld;

import org.aspectsense.framework.DefaultComponent;
import org.aspectsense.annotations.Service;
import org.aspectsense.annotations.ServiceUtility;

import javax.swing.*;
import java.awt.*;

/**
 * @author Nearchos Paspallis [nearchos@cs.ucy.ac.cy]
 *         Date: Feb 20, 2008
 *         Time: 3:49:23 PM
 */
@org.aspectsense.annotations.Component(
        displayID = "Visual UI component realization"
)
@Service(
        serviceType = UI.class
)
@ServiceUtility(
        targetServiceType = UI.class,
        utilityFunction = "context[context.user.handsfree-required] ? 0 : 1"
)
public class VisualUI extends DefaultComponent implements UI
{
    private JFrame frame;

    private JLabel label;

    // ----------------- Handling life-cycle operations --------------------- //

    public void init()
    {
        super.init();

        frame = new JFrame("Visual UI Component") {
            public Dimension getPreferredSize() {
                return new Dimension(400,100);
            }
        };
        frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

        frame.getContentPane().setLayout(new BorderLayout());

        label = new JLabel("", JLabel.CENTER);
        frame.getContentPane().add(label, BorderLayout.CENTER);

        frame.setLocation(100,100);
        frame.pack();
    }

    public void activate()
    {
        super.activate();

        frame.setVisible(true);
    }

    public void suspend()
    {
        frame.setVisible(false);

        super.suspend();
    }

    public void finit()
    {
        frame.dispose();
        frame = null;
        label = null;

        super.finit();
    }

    // -------------- End of Handling life-cycle operations ----------------- //

    public void communicateText(final String text)
    {
        label.setText(text);
    }
}
